/* ========================================================================= * The Synopsys DWC ETHER QOS Software Driver and documentation (hereinafter * "Software") is an unsupported proprietary work of Synopsys, Inc. unless * otherwise expressly agreed to in writing between Synopsys and you. * * The Software IS NOT an item of Licensed Software or Licensed Product under * any End User Software License Agreement or Agreement for Licensed Product * with Synopsys or any supplement thereto. Permission is hereby granted, * free of charge, to any person obtaining a copy of this software annotated * with this license and the Software, to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, * merge, publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, subject * to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. * ========================================================================= */ /* * Includes MaxLinear's changes dated: 2022. * Changed portions - Copyright 2020-2022, MaxLinear, Inc. * Includes Intel Corporation's changes dated: 2015, 2016. * Changed portions - Copyright 2015-2020, Intel Corporation. */ #ifndef __DWC_ETH_QOS_DRV_H__ #define __DWC_ETH_QOS_DRV_H__ static int DWC_ETH_QOS_open(struct net_device *); static int DWC_ETH_QOS_close(struct net_device *); static void DWC_ETH_QOS_set_rx_mode(struct net_device *); static int DWC_ETH_QOS_set_mac(struct net_device *dev, void *p); static int DWC_ETH_QOS_start_xmit(struct sk_buff *, struct net_device *); static void DWC_ETH_QOS_tx_interrupt(struct net_device *, struct DWC_ETH_QOS_prv_data *, uint32_t qInx); static struct net_device_stats *DWC_ETH_QOS_get_stats(struct net_device *); #ifdef CONFIG_NET_POLL_CONTROLLER static void DWC_ETH_QOS_poll_controller(struct net_device *); #endif /*end of CONFIG_NET_POLL_CONTROLLER */ static int DWC_ETH_QOS_set_features(struct net_device *dev, netdev_features_t features); static netdev_features_t DWC_ETH_QOS_fix_features(struct net_device *dev, netdev_features_t features); int DWC_ETH_QOS_configure_remotewakeup(struct net_device *, struct ifr_data_struct *); static void DWC_ETH_QOS_program_dcb_algorithm(struct DWC_ETH_QOS_prv_data *pdata, struct ifr_data_struct *req); static void DWC_ETH_QOS_program_avb_algorithm(struct DWC_ETH_QOS_prv_data *pdata, struct ifr_data_struct *req); static void DWC_ETH_QOS_config_tx_pbl(struct DWC_ETH_QOS_prv_data *pdata, uint32_t tx_pbl, uint32_t ch_no); static void DWC_ETH_QOS_config_rx_pbl(struct DWC_ETH_QOS_prv_data *pdata, uint32_t rx_pbl, uint32_t ch_no); static int DWC_ETH_QOS_prv_ioctl(struct net_device *dev, struct ifreq *ifr, void __user *data, int cmd); static int DWC_ETH_QOS_eth_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); irqreturn_t DWC_ETH_QOS_ISR_SW_DWC_ETH_QOS(int, void *); static int DWC_ETH_QOS_change_mtu(struct net_device *dev, int new_mtu); static int DWC_ETH_QOS_clean_split_hdr_rx_irq(struct DWC_ETH_QOS_prv_data *pdata, int quota, uint32_t qInx); static int DWC_ETH_QOS_clean_jumbo_rx_irq(struct DWC_ETH_QOS_prv_data *pdata, int quota, uint32_t qInx); static int DWC_ETH_QOS_clean_rx_irq(struct DWC_ETH_QOS_prv_data *pdata, int quota, uint32_t qInx); static void DWC_ETH_QOS_consume_page(struct DWC_ETH_QOS_rx_buffer *buffer, struct sk_buff *skb, u16 length, u16 buf2_len); static void DWC_ETH_QOS_receive_skb(struct DWC_ETH_QOS_prv_data *pdata, struct net_device *dev, struct sk_buff *skb, uint32_t qInx); static void DWC_ETH_QOS_configure_rx_fun_ptr(struct DWC_ETH_QOS_prv_data *pdata); static int DWC_ETH_QOS_alloc_split_hdr_rx_buf(struct DWC_ETH_QOS_prv_data *pdata, struct DWC_ETH_QOS_rx_buffer *buffer, gfp_t gfp); static int DWC_ETH_QOS_alloc_jumbo_rx_buf(struct DWC_ETH_QOS_prv_data *pdata, struct DWC_ETH_QOS_rx_buffer *buffer, gfp_t gfp); static int DWC_ETH_QOS_alloc_rx_buf(struct DWC_ETH_QOS_prv_data *pdata, struct DWC_ETH_QOS_rx_buffer *buffer, gfp_t gfp); static void DWC_ETH_QOS_default_common_confs(struct DWC_ETH_QOS_prv_data *pdata); static void DWC_ETH_QOS_default_tx_confs(struct DWC_ETH_QOS_prv_data *pdata); static void DWC_ETH_QOS_default_tx_confs_single_q(struct DWC_ETH_QOS_prv_data *pdata, uint32_t qInx); static void DWC_ETH_QOS_default_rx_confs(struct DWC_ETH_QOS_prv_data *pdata); static void DWC_ETH_QOS_default_rx_confs_single_q(struct DWC_ETH_QOS_prv_data *pdata, uint32_t qInx); int DWC_ETH_QOS_poll(struct DWC_ETH_QOS_prv_data *pdata, int budget, int qInx); static void DWC_ETH_QOS_mmc_setup(struct DWC_ETH_QOS_prv_data *pdata); inline unsigned int DWC_ETH_QOS_reg_read(volatile uint32_t *ptr); #ifdef DWC_ETH_QOS_QUEUE_SELECT_ALGO u16 DWC_ETH_QOS_select_queue(struct net_device *dev, struct sk_buff *skb); #endif static int DWC_ETH_QOS_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto, u16 vid); static int DWC_ETH_QOS_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto, u16 vid); #endif